1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
# encoding: ASCII-8BIT
require_relative "spec_helper"
# See PDF Reference, Sixth Edition (1.7) pp51-60 for details
describe "PDF Object Serialization" do
it "should convert Ruby's nil to PDF null" do
PDF::Core::PdfObject(nil).should == "null"
end
it "should convert Ruby booleans to PDF booleans" do
PDF::Core::PdfObject(true).should == "true"
PDF::Core::PdfObject(false).should == "false"
end
it "should convert a Ruby number to PDF number" do
PDF::Core::PdfObject(1).should == "1"
PDF::Core::PdfObject(1.214112421).should == "1.214112421"
# scientific notation is not valid in PDF
PDF::Core::PdfObject(0.000005).should == "0.000005"
end
it "should convert a Ruby time object to a PDF timestamp" do
t = Time.now
PDF::Core::PdfObject(t).should == t.strftime("(D:%Y%m%d%H%M%S%z").chop.chop + "'00')"
end
it "should convert a Ruby string to PDF string when inside a content stream" do
s = "I can has a string"
PDF::Inspector.parse(PDF::Core::PdfObject(s, true)).should == s
end
it "should convert a Ruby string to a UTF-16 PDF string when outside a content stream" do
s = "I can has a string"
s_utf16 = "\xFE\xFF" + s.unpack("U*").pack("n*")
PDF::Inspector.parse(PDF::Core::PdfObject(s, false)).should == s_utf16
end
it "should convert a Ruby string with characters outside the BMP to its " +
"UTF-16 representation with a BOM" do
# U+10192 ROMAN SEMUNCIA SIGN
semuncia = [65938].pack("U")
PDF::Core::PdfObject(semuncia, false).upcase.should == "<FEFFD800DD92>"
end
it "should pass through bytes regardless of content stream status for ByteString" do
PDF::Core::PdfObject(PDF::Core::ByteString.new("\xDE\xAD\xBE\xEF")).upcase.
should == "<DEADBEEF>"
end
it "should escape parens when converting from Ruby string to PDF" do
s = 'I )(can has a string'
PDF::Inspector.parse(PDF::Core::PdfObject(s, true)).should == s
end
it "should handle ruby escaped parens when converting to PDF string" do
s = 'I can \\)( has string'
PDF::Inspector.parse(PDF::Core::PdfObject(s, true)).should == s
end
it "should escape various strings correctly when converting a LiteralString" do
ls = PDF::Core::LiteralString.new("abc")
PDF::Core::PdfObject(ls).should == "(abc)"
ls = PDF::Core::LiteralString.new("abc\x0Ade") # should escape \n
PDF::Core::PdfObject(ls).should == "(abc\x5C\x0Ade)"
ls = PDF::Core::LiteralString.new("abc\x0Dde") # should escape \r
PDF::Core::PdfObject(ls).should == "(abc\x5C\x0Dde)"
ls = PDF::Core::LiteralString.new("abc\x09de") # should escape \t
PDF::Core::PdfObject(ls).should == "(abc\x5C\x09de)"
ls = PDF::Core::LiteralString.new("abc\x08de") # should escape \b
PDF::Core::PdfObject(ls).should == "(abc\x5C\x08de)"
ls = PDF::Core::LiteralString.new("abc\x0Cde") # should escape \f
PDF::Core::PdfObject(ls).should == "(abc\x5C\x0Cde)"
ls = PDF::Core::LiteralString.new("abc(de") # should escape \(
PDF::Core::PdfObject(ls).should == "(abc\x5C(de)"
ls = PDF::Core::LiteralString.new("abc)de") # should escape \)
PDF::Core::PdfObject(ls).should == "(abc\x5C)de)"
ls = PDF::Core::LiteralString.new("abc\x5Cde") # should escape \\
PDF::Core::PdfObject(ls).should == "(abc\x5C\x5Cde)"
PDF::Core::PdfObject(ls).size.should == 9
end
it "should escape strings correctly when converting a LiteralString that is not utf-8" do
data = "\x43\xaf\xc9\x7f\xef\xf\xe6\xa8\xcb\x5c\xaf\xd0"
ls = PDF::Core::LiteralString.new(data)
PDF::Core::PdfObject(ls).should == "(\x43\xaf\xc9\x7f\xef\xf\xe6\xa8\xcb\x5c\x5c\xaf\xd0)"
end
it "should convert a Ruby symbol to PDF name" do
PDF::Core::PdfObject(:my_symbol).should == "/my_symbol"
PDF::Core::PdfObject(:"A;Name_With-Various***Characters?").should ==
"/A;Name_With-Various***Characters?"
end
it "should convert a whitespace or delimiter containing Ruby symbol to a PDF name" do
PDF::Core::PdfObject(:"my symbol").should == "/my#20symbol"
PDF::Core::PdfObject(:"my#symbol").should == "/my#23symbol"
PDF::Core::PdfObject(:"my/symbol").should == "/my#2Fsymbol"
PDF::Core::PdfObject(:"my(symbol").should == "/my#28symbol"
PDF::Core::PdfObject(:"my)symbol").should == "/my#29symbol"
PDF::Core::PdfObject(:"my<symbol").should == "/my#3Csymbol"
PDF::Core::PdfObject(:"my>symbol").should == "/my#3Esymbol"
end
it "should convert a Ruby array to PDF Array when inside a content stream" do
PDF::Core::PdfObject([1,2,3]).should == "[1 2 3]"
PDF::Inspector.parse(PDF::Core::PdfObject([[1,2],:foo,"Bar"], true)).should ==
[[1,2],:foo, "Bar"]
end
it "should convert a Ruby array to PDF Array when outside a content stream" do
bar = "\xFE\xFF" + "Bar".unpack("U*").pack("n*")
PDF::Core::PdfObject([1,2,3]).should == "[1 2 3]"
PDF::Inspector.parse(PDF::Core::PdfObject([[1,2],:foo,"Bar"], false)).should ==
[[1,2],:foo, bar]
end
it "should convert a Ruby hash to a PDF Dictionary when inside a content stream" do
dict = PDF::Core::PdfObject( {:foo => :bar,
"baz" => [1,2,3],
:bang => {:a => "what", :b => [:you, :say] }}, true )
res = PDF::Inspector.parse(dict)
res[:foo].should == :bar
res[:baz].should == [1,2,3]
res[:bang].should == { :a => "what", :b => [:you, :say] }
end
it "should convert a Ruby hash to a PDF Dictionary when outside a content stream" do
what = "\xFE\xFF" + "what".unpack("U*").pack("n*")
dict = PDF::Core::PdfObject( {:foo => :bar,
"baz" => [1,2,3],
:bang => {:a => "what", :b => [:you, :say] }}, false )
res = PDF::Inspector.parse(dict)
res[:foo].should == :bar
res[:baz].should == [1,2,3]
res[:bang].should == { :a => what, :b => [:you, :say] }
end
it "should not allow keys other than strings or symbols for PDF dicts" do
lambda { PDF::Core::PdfObject(:foo => :bar, :baz => :bang, 1 => 4) }.
should raise_error(PDF::Core::Errors::FailedObjectConversion)
end
it "should convert a Prawn::Reference to a PDF indirect object reference" do
ref = PDF::Core::Reference(1,true)
PDF::Core::PdfObject(ref).should == ref.to_s
end
it "should convert a NameTree::Node to a PDF hash" do
# FIXME: Soft dependench on Prawn::Document exists in Node
node = PDF::Core::NameTree::Node.new(nil, 10)
node.add "hello", 1.0
node.add "world", 2.0
data = PDF::Core::PdfObject(node)
res = PDF::Inspector.parse(data)
res.should == {:Names => ["hello", 1.0, "world", 2.0]}
end
end
|
